Patents Assigned to Fuji Fiber Glass Co., Ltd.
  • Composite fibrous product
    Patent number: 4528223
    Abstract: Composite fibrous products such as composite cloth, composite strings, composite knitted goods, etc., produced by using combination yarns obtained by twisting one or more aromatic polyamide continuous filament yarns and one or more continuous glass yarns have high rigidity and excellent reinforcing effects.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: July 9, 1985
    Assignees: Hitachi, Ltd., Hitachi Chemical Co., Ltd., Fuji Fiber Glass Co., Ltd.
    Inventors: Tetsuo Kumazawa, Hiroaki Doi, Yasuo Miyadera, Atsushi Fujioka, Tadashi Nagai